You have to download and put them in the app/assets/javascript directory.

jQuery Purr is found here: http://code.google.com/p/jquery-purr/

网友答案:

If you're using the current HEAD of the best_in_place gem, you don't need to download jquery.purr. It's included in the gem as best_in_place.purr. So you would add the following to your application.js: